A group of twelve seniors, seven juniors, six sophomores, and five freshmen must select a committee of four. How many committees are possible if the committee must contain the following? (a) one person from each class (b) any mixture of the classes (c) exactly two seniors

a) 250

b) 27405

c) 10098

Step-by-step explanation:

a) 12 * 7 * 6 * 5 = 250 committees

b) committees

c) Number of ways to select seniors ->

Number of ways to select remaining members ->

66 * 153 = 10098

the answer to your question is c.)   volcanoes built the mountains and earthquakes tore them down.

step-by-step explanation: